TCS3404_11 Datasheet, PDF (28/41 Pages) ams AG – DIGITAL COLOR SENSORS

TCS3404, TCS3414
DIGITAL COLOR SENSORS
APPLICATION INFORMATION: SOFTWARE
TAOS137A − APRIL 2011
Integration Period
SYNC IN
lid ^INTERRUPT
A
B
NOTE: ADC_EN must be toggled (i.e. from high to low and back to high again) before next integration cycle
a _{Figure 25. Integrate Over One Pulse (SYNC_EDGE 0b, INTEG_MODE 11b, PARAM 0b) Falling Edge}
v _{1. Enable ADC_EN (= 1)}
ill ^{2. Set SYNC EDGE to 0}
3. Set PARAM for SYNC PULSE COUNT of 1
t _{4. Set INTEG_MODE to 11b}
G _{s 5. Input external SYNC pulse}
6. Disable SYNC and read channels
ms ^{A tent} _SYNCIN
Integration Period
1
N
N+1
a _{on INTERRUPT}
c _A
B
l _{NOTES: 1. Rising edge of third SYNC IN pulse required to terminate integration cycle}
a _{2. ADC_EN must be toggled (i.e. from high to low and back to high again) before next integration cycle}
ic ^{Figure 26. Integrate Over Two Pulses (SYNC_EDGE 1b, INTEG_MODE 11b, PARAM Xb) Rising Edge}
1. Enable ADC_EN (= 1)
n _{2. Set SYNC EDGE to 1}
h 3. Set PARAM for desired SYNC PULSE COUNT
4. Set INTEG_MODE to 11b
c _{5. Input N+1 external SYNC pulses}
Te^{6. Disable SYNC and read channels}
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www.taosinc.com
Copyright E 2011, TAOS Inc.
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